doctype html
html(lang='en')
    head
        meta(charset='UTF-8')
        link(rel="stylesheet",href="css/navbar.css")
        link(rel="stylesheet",href="css/main.css")
        link(rel="stylesheet",href="css/basic.css")
        block link
            
        block title
            title 有利后台管理
    body
        include navbar.jade
        include maincontent.jade
        block script
            